Correspondence

Bulletin No. 500 - License Agreement -- Patented Resinoid Bonded Grinding Wheels. Notification to remove one page from license agreement.

Bulletin No. 502 - License Agreement -- Patented Resinoid Bonded Grinding Wheels. Updated additions and deletions to buyer lists.

Bulletin No. 503 - License Agreement -- Patented Resinoid Bonded Grinding Wheels. Updated additions and deletions to buyer lists.

Bulletin No. 504 - License Agreement -- Patented Resinoid Bonded Grinding Wheels. Updated price lists.

Bulletin No. 505 - License Agreement -- Patented Resinoid Bonded Grinding Wheels, Special List Prices - Resinoid Bonded unfinished Rubs. Updated price lists.

Bulletin No. 506 0 Resinoid Bonded Grinding Metals, Hercules Mfg. Company, Centerville, Iowa. Addition to the licensee list and quantity buyers discount list.

Bulletin No. 507 - License Agreement -- Patented Resinoid Bonded Grinding Wheels, Batavia metal Products, Inc., Batavia, Illinois. Additions to licensee list.

Bulletin No. 508 - License Agreement -- Patented Resinoid Bonded Grinding Wheels. Additional buyers and subsidiaries to the licensee list.

Bulletin No. 510 - License Agreement -- Patented Resinoid Bonded Grinding Wheels, Maximum Oversize Tolerance. Adjustments and allowances for manufacture of wheels with new oversize tolerances.

Bulletin No 511, A-D - License Agreement -- Patented Resinoid Bonded Products. A series of letters and updated licensing agreement sheets related to price increases.