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Paul V. Engelmann
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Plainwell, MI, US
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last 30 patents
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Patent Grant
Safety closure
Patent number
D337943
Issue date
Aug 3, 1993
Glaxo Inc.
Mark A. Sirgo
D09 - Packages and containers for goods
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Patent Grant
Safety closure with easy-open feature for handicapped and elderly i...
Patent number
5,158,194
Issue date
Oct 27, 1992
Glaxo Inc.
Mark A. Sirgo
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL