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Charlotte, NC, United States of America

Albert L Leffler, Jr

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 15

Albert L Leffler, Jr ↔ Robert P Harbage (1 patent)Albert L Leffler, JrAlbert L Leffler, Jr (1 patent)Robert P HarbageRobert P Harbage (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Duff-norton Company, Inc. (1 from 10 patents)


1 patent:

1. D252567 - Pendent hoist control

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as of
12/18/2025
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