Spencer D. Cottam

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Salt Lake City, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive cleaning apparatus
- Patent number 6,146,258
- Issue date Nov 14, 2000
- Spencer D. Cottam
- B44 - DECORATIVE ARTS
Information Patent Grant
Tape wrapping offset device
- Patent number 5,223,066
- Issue date Jun 29, 1993
- T C Manufacturing Co., Inc.
- Richard C. Dokmo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL